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參數(shù)資料
| 型號(hào)： | KA3525AD |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SMPS CONTROLLER |
| 中文描述： | 0.5 A SWITCHING CONTROLLER, 430 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | 0.225 INCH, SOP-16 |
| 文件頁(yè)數(shù)： | 2/5頁(yè) |
| 文件大?。?/td> | 78K |
| 代理商： | KA3525AD |
KA3525A SMPS CONTROLLER
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
CC
= 20V, T
A
= -35
to + 85
, unless otherwise specified)
Characteristic
Symbol
Value
Unit
Supply Voltage
Collector Supply Voltage
Output Current, Sink or Source
Reference Output Current
Oscillator Charging Current
Power Dissipation (T
A
= 25
)
Operating Temperature
Storage Temperature
Lead Temperature (Soldering, 10 sec)
V
CC
V
C
I
O
I
REF
40
40
500
50
5
1000
0 ~ +70
-65 ~ +150
+300
V
V
mA
mA
mA
m/W
I
CHG(OSC)
P
D
T
OPR
T
STG
T
LEAD
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
REFERENCE SECTION
Reference Output Voltage
Line Regulation
Load Regulation
Short Circuit Output Current
Total Output Variation (Note 1)
Temperature Stability (Note 1)
Long Term Stability (Note 1)
OSCILLATOR SECTION
Initial Accuracy (Note 1, 2)
V
REF
L
V
REF
L
V
REF
I
SC
L
V
REF
ST
T
ST
T
J
= 25
V
CC
= 8 to 35V
I
REF
= 0 to 20mA
V
REF
= 0, T
J
= 25
Line, Load and Temperature
5.0
5.1
9
20
80
5.2
20
50
100
5.25
50
50
V
mV
mV
mA
V
mV
mV
4.95
20
20
T
J
= 125
, 1 KH
RS
ACCUR
L
f/
L
V
CC
f
(MAX)
f
(MIN)
V
(CLK)
t
W(CLK)
V
TH(SYNC)
I
I(SYNC)
T
J
= 25
3
6
%
Frequency Change With Voltage
Maximum Frequency
Minimum Frequency
Clock Amplitude (Note 1, 2)
Clock Width (Note 1, 2)
Sync Threshold
Sync Input Current
V
CC
= 8 to 35V (Note 1, 2)
R
T
= 2K
`
, C
T
= 470pF
R
T
= 200K
`
, C
T
= 0.1
s
F
0.8
430
60
4
0.6
2
1.3
2
%
400
KHz
Hz
V
s
s
V
mA
120
3
T
J
= 25
0.3
1.2
1
2.8
2.5
Sync = 3.5V
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